/*
 *  Copyright 2009 Mikhail Titov.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */

package org.raven.statdb.impl;

/**
 *
 * @author Mikhail Titov
 */
public class AverageAggregation extends SumAggregation
{
    private int counter = 1;

    public AverageAggregation(long time, double value)
    {
        super(time, value);
    }

    @Override
    public void aggregate(double value)
    {
        super.aggregate(value);
        ++counter;
    }

    @Override
    public double getValue()
    {
        return value/counter;
    }

    @Override
    public void reset(long time, double value)
    {
        super.reset(time, value);
        counter = 1;
    }
}
